:root {
  --bg: #0a0a0a; --card: #0e0e0e; --card2: #161616; --border: #222; --border2: #2e2e2e;
  --accent: #ff5a1f; --accent-l: #ff7a47; --text: #f5f5f0; --muted: #9a9a92;
  --display: 'Bebas Neue', Impact, sans-serif;
  --body: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'Space Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 400; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px max(16px, calc((100vw - 1120px) / 2)); border-bottom: 1px solid var(--border); background: var(--bg);
  position: sticky; top: 0; z-index: 10; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { border-radius: 8px; }
.brand__name { white-space: nowrap; font: 26px/1 var(--display); letter-spacing: .04em; }
.brand__name b { color: var(--accent); font-weight: 400; }
.badge { font: 12px var(--mono); color: var(--muted); border: 1px solid var(--border2); padding: 3px 8px; }

.btn { display: inline-block; white-space: nowrap; padding: 12px 22px; font: 700 15px/1 var(--display); letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; border: 1px solid var(--accent); cursor: pointer; transition: background .15s, color .15s; }
.btn--primary { background: var(--accent); color: #0a0a0a; }
.btn--primary:hover { background: var(--accent-l); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border2); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:focus-visible, .steps-nav button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

.notice { margin: 18px 0 0; padding: 14px 16px; border: 1px solid var(--accent); background: rgba(255,90,31,.08); font-size: 15px; }

/* HERO */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; padding: 56px 0 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px; font: 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #3ecf8e; box-shadow: 0 0 0 4px rgba(62,207,142,.18); }
h1 { font: clamp(46px, 7vw, 84px)/.95 var(--display); letter-spacing: .01em; }
h1 span { color: var(--accent); display: block; }
.lead { color: var(--muted); font-size: 18px; max-width: 52ch; margin: 22px 0 30px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* DEMO */
.hero__demo { display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: center; }
.phone { width: min(320px, 62vw); padding: 10px; border-radius: 36px; background: #151515; border: 1px solid var(--border2);
  box-shadow: 0 30px 80px rgba(255,90,31,.12), 0 0 0 1px #000; }
.phone__screen { position: relative; aspect-ratio: 430 / 900; border-radius: 28px; overflow: hidden; background: #000; }
.slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .5s ease; }
.slide.is-on { opacity: 1; }
video.slide { background: #000; cursor: pointer; }

.steps-nav { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.steps-nav button { width: 100%; text-align: left; background: transparent; color: var(--muted); border: 1px solid transparent;
  padding: 8px 12px; font: inherit; cursor: pointer; display: grid; gap: 1px; }
.steps-nav b { font: 700 13px var(--mono); color: var(--text); letter-spacing: .04em; text-transform: uppercase; }
.steps-nav span { display: none; font-size: 14px; line-height: 1.4; }
.steps-nav li.is-on button { border-color: var(--accent); background: rgba(255,90,31,.07); }
.steps-nav li.is-on b { color: var(--accent); }
.steps-nav li.is-on span { display: block; }
.steps-nav button:hover b { color: var(--accent-l); }

/* SECTIONS */
section h2 { font: clamp(32px, 4.5vw, 48px)/1 var(--display); letter-spacing: .02em; margin-bottom: 28px; }
.how, .features { padding: 56px 0; border-top: 1px solid var(--border); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--border); padding: 22px; }
.card h3 { font: 24px/1.1 var(--display); letter-spacing: .04em; margin-bottom: 8px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.num { display: block; font: 40px/1 var(--display); color: var(--accent); margin-bottom: 10px; }
.tags { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font: 13px var(--mono); letter-spacing: .05em; text-transform: uppercase; padding: 8px 12px; background: var(--card2); border: 1px solid var(--border2); color: var(--muted); }

.access { text-align: center; padding: 64px 16px; margin: 24px 0 64px; border: 1px solid var(--border); background: var(--card); }
.access .lock { font-size: 32px; margin-bottom: 8px; }
.access h2 { margin-bottom: 12px; }
.access p { color: var(--muted); max-width: 46ch; margin: 0 auto 24px; }

footer { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; padding: 24px max(16px, calc((100vw - 1120px) / 2));
  border-top: 1px solid var(--accent); font: 12px var(--mono); letter-spacing: .08em; color: var(--muted); }
footer b { color: var(--accent); font-weight: 400; }
footer a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--accent); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding: 36px 0 48px; }
  .hero__demo { grid-template-columns: 1fr; justify-items: center; }
  .steps-nav { grid-template-columns: repeat(2, 1fr); width: 100%; }
  .steps-nav span { display: none !important; }
  .steps-nav li.is-on span { display: none !important; }
  .cards { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .slide { transition: none; } }